Residents purchase water at BJ Wholesale in Miami on Tuesday in preparation for Hurricane Irma. The storm, the most powerful ever seen in the Atlantic, roared toward islands in the northeast Caribbean Tuesday on a path that could eventually take it to the United States. (Roberto Koltun/Miami Herald via AP)

Gas station employee Albert Fernandez covers a pump Wednesday in Key Largo, Florida, after running out of gas as demand has increased ahead of Hurricane Irma. (Alan Diaz/ AP)

Motorists head north on US Route 1 on Tuesday in Key Largo, Florida, ahead of Hurricane Irma. (Alan Diaz/ AP)

A shelf normally containing packaged water sits empty at a Piggly Wiggly store Tuesday in Panama City, Florida, as residents prepare for Hurricane Irma. Store managers informed shoppers that more water will be delivered on Wednesday morning. (Patti Blake/News Herald via AP)

Jackie Kreuter, 56, of Gulfport, Florida, tosses furniture in a pool Tuesday so it doesn’t fly around should Hurricane Irma pass over. Kreuter, along with her mother, husband, sister, daughter, grandson, five dogs and a bird, also were boarding up their home and business and leaving for Ocala to get out of the hurricane’s way. (Lara Cerri/The Tampa Bay Times via AP)

Aut Smith, 42, and Willie Young, 52, load up sandbags for the community at the city of Gainesville’s Public Works Department on Wednesday. “We are happy to be here helping people,” said Young, who has worked for the city for 32 years. (Andrea Cornejo/Gainesville Sun via AP)

Jarod Lloyd, 33, fills up sandbags for the community at the city of Gainesville’s Public Works Department on Wednesday. (Andrea Cornejo/Gainesville Sun via AP)

A customer pumps gas at a Costco gas station on Wednesday in North Miami, Florida. (Wilfredo Lee/AP)

Tquin Smith prepares for Hurricane Irma by purchasing plywood in Gainesville on Wednesday. “I just wanted to make sure my belongings will be safe before I travel to West Palm Beach to help my family prepare there,” he said. (Andrea Cornejo/Gainesville Sun via AP)

In this geocolor image captured on Wednesday and released by the National Oceanic and Atmospheric Administration, Hurricane Irma approaches Anguilla. The most powerful Atlantic Ocean hurricane in recorded history has roared into the Caribbean, its winds ripping off roofs and knocking out phones. It’s on a path toward Puerto Rico, the Dominican Republic, Haiti and Cuba before possibly hitting Florida. (NOAA via AP)